Rackmount Installation - Cabletron Systems 2E48-27R User Manual

Chapter 3: Installation
B
A
A = 15 cm (6 in)
B = 45 cm (22.5 in)
C = 53 cm (21 in)
D = 213 cm (84 in)
3.3.2

Rackmount Installation

To install the 2E4X-27R in a 19-inch rack, Cabletron Systems includes an
accessory kit containing the rackmount brackets, mounting screws, and a
strain-relief bracket for cable management.
Guidelines for the Rackmount Installation
The installation site must be within reach of the network cabling and meet
the requirements listed below:
• An appropriate grounded power receptacle must be located within
seven feet of the location.
• Maintain a temperature of between 5 C (41 F) and 40 C (104 F) at
the installation site with fluctuations of less than 10 C (18 F) per hour.
To ensure proper ventilation and prevent overheating, leave a
!
minimum clearance space of 5.1 cm (2.0 in) at the left, right,
CAUTION
and rear of the 2E4X-27R.
Before installing the 2E4X-27R into a rack, ensure that the rack
supports the device(s) without compromising the stability of the
WARNING
rack. Otherwise, personal injury and/or equipment damage
may result.
3-4
RX TX RX TX RX TX RX TX RX
PWR
17 18 19 20
RESET
CPU
COM RX TX RX TX RX TX RX TX RX
9 10 11 12
RX TX RX RX TX RX RX
TX TX
1 3
2 4
2E48-27R
Figure 3-1 Tabletop or Shelf Installation
C
RX TX
TX RX TX RX TX
21 22 23 24
TX RX TX RX TX RX TX
13 14 15 16
TX RX RX RX TX
TX TX
5 8
6 7
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2E48-27R/2E49-27R User's Guide
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D
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